Additional requirements to use certain features:

Some games and programs might require a graphics card compatible with DirectX 10 or higher for optimal performance

For some Windows Media Center functionality a TV tuner and additional hardware may be required

Windows Touch and Tablet PCs require specific hardware

HomeGroup requires a network and PCs running Windows 7

DVD/CD authoring requires a compatible optical drive

BitLocker requires Trusted Platform Module (TPM) 1.2

BitLocker To Go requires a USB flash drive

Windows XP Mode requires an additional 1 GB of RAM and an additional 15 GB of available hard disk space.

Music and sound require audio output

Product functionality and graphics may vary based on your system configuration. Some features may require advanced or additional hardware.

PCs with multi-core processors:

Windows 7was designed to work with today's multi-core processors. All 32-bit versions of Windows 7can support up to 32 processor cores, while 64‑bit versions can support up to 256 processor cores.

PCs with multiple processors (CPUs):

Commercial servers, workstations, and other high-end PCs may have more than one physical processor. Windows 7Professional, Enterprise, and Ultimate allow for two physical processors, providing the best performance on these computers. Windows 7 Starter, Home Basic, and Home Premium will recognize only one physical processor.

* Prior versions of Windows, including Windows 7 and Windows 8.1, have limited support when running on new processors and chipsets from manufacturers like Intel, AMD, NVidia, and Qualcomm. For more information, please see the Support Lifecycle FAQ. A device may not be able to run prior versions of Windows if the device hardware is incompatible, lacking current drivers, or otherwise outside of the Original Equipment Manufacturer’s (“OEM”) support period.